In 2018, Nanjing Chang Ao passed the acceptance of the “Double Prevention Mechanism” by the safety supervision and management department with excellent results, and was awarded the honorary title of “Advanced Company of Safe Production” in Jiangbei New Area; we set up a special team to help the company successfully pass the “High-tech Enterprise” evaluation, which brought great economic benefits to the group; the company’s performance was so outstanding that we were evaluated as “Outstanding Contribution” in Jiangbei New Area.